About JR-Performance
JR-Performance in Duderstadt writes vehicle-specific chiptuning files with ECU and TCU mapping and personal support. Software is prepared for cars, trucks and agricultural machines, including Stage 1 and Stage 2 work plus DSG and other automatic-gearbox optimisation. Further options include Vmax changes and off-road or export solutions such as EGR, DPF and AdBlue deactivation.
Services and facilities
Specialist engineering
- Transmission specialist
Vehicle modification and tuning
- ECU remapping
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